Bring back --with-sys-screenrc configure flag.
[screen-lua.git] / patches / bill_pursell_fFtT_402.patch
blobe655643d65973f3ee614db5ce40692f33bcfba66
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35 Date: Fri, 16 Dec 2005 18:41:26 +0000
36 From: bill <bill.pursell@gmail.com>
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40 To: Screen Users <screen-users@gnu.org>
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43 Subject: fFtT patch
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61 autolearn=no version=2.63
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63 Content-Length: 4721
64 Lines: 145
66 Here's the patch which implements the fFtT;, cursor movements. I'm not
67 even remotely confident of this: I cut and pasted from a terminal
68 into thunderbird.
70 [reformatted by jw, 2005-12-19]
72 --- ./mark.c.orig 2005-12-16 19:48:09.000000000 +0100
73 +++ ./mark.c 2005-12-19 12:00:42.795719267 +0100
74 @@ -149,6 +149,55 @@
75 #define NW_MUSTMOVE (1<<2)
76 #define NW_BIG (1<<3)
78 +static int
79 +nextchar(int *xp, int *yp, int direction, char target, int num)
80 +{ /* Set *xp to the num-th occurrence of the target in the line. */
82 + /* Return EXIT_FAILURE if the target doesn't appear num times.
83 + Caller could use that to emit a warning. */
85 + int width; /* width of the current window. */
86 + int x; /* x coordinate of the current cursor position. */
87 + int step; /* amount to increment x (+1 or -1) */
88 + int adjust; /* Final adjustment of cursor position. */
89 + char *displayed_line; /* Line in which search takes place. */
91 + debug("nextchar\n");
93 + x = *xp;
94 + adjust = 0;
95 + width = fore->w_width;
96 + displayed_line = WIN(*yp) -> image;
98 + switch(direction) {
99 + case 't': adjust = -1; /* fall through */
100 + case 'f': step = 1; /* fall through */
101 + break;
102 + case 'T': adjust = 1; /* fall through */
103 + case 'F': step = -1; /* fall through */
104 + break;
105 + default:
106 + ASSERT(0);
109 + x += step;
111 + debug1("ml->image = %s\n", displayed_line);
112 + debug2("num = %d, width = %d\n",num, width);
113 + debug2("x = %d targe = %c\n", x, target );
115 + for ( ;x>=0 && x <= width; x += step) {
116 + if (displayed_line[x] == target) {
117 + if (--num == 0) {
118 + *xp = x + adjust;
119 + return EXIT_SUCCESS;
123 + return EXIT_FAILURE;
127 static void
128 nextword(xp, yp, flags, num)
129 int *xp, *yp, flags, num;
130 @@ -534,8 +583,55 @@
132 cx = markdata->cx;
133 cy = markdata->cy;
135 + if (markdata -> char_search[0]) {
136 + debug2("searching for %c:%d\n",od,rep_cnt);
137 + markdata->char_search[0] = 0; /* Clear the flag. */
138 + markdata->rep_cnt = 0;
140 + if (isgraph (od)) {
141 + markdata->char_search[1] = od;
142 + rep_cnt = (rep_cnt) ? rep_cnt : 1;
143 + nextchar(&cx, &cy, markdata->char_search[2], od, rep_cnt );
144 + revto(cx, cy);
145 + continue;
149 switch (od)
151 + case 'f': /* fall through */
152 + case 'F': /* fall through */
153 + case 't': /* fall through */
154 + case 'T': /* fall through */
155 + markdata -> char_search[0] = markdata->char_search[2] = od;
156 + debug("entering char search\n");
157 + continue;
158 + /* If we break, rep_cnt will be reset, so we
159 + continue instead. It might be cleaner to
160 + store the rep_count in char_search and
161 + break here so later followon code will be
162 + hit. */
163 + case ';':
164 + if (!rep_cnt) rep_cnt = 1;
165 + nextchar(&cx, &cy, markdata->char_search[2], markdata->char_search[1], rep_cnt );
166 + revto(cx, cy);
167 + break;
168 + case ',': {
169 + int search_dir;
170 + if (!rep_cnt) rep_cnt = 1;
171 + switch (markdata->char_search[2]) {
172 + case 't': search_dir = 'T'; break;
173 + case 'T': search_dir = 't'; break;
174 + case 'f': search_dir = 'F'; break;
175 + case 'F': search_dir = 'f'; break;
177 + nextchar(&cx, &cy, search_dir, markdata->char_search[1], rep_cnt );
179 + revto(cx, cy);
180 + break;
183 case 'o':
184 case 'x':
185 if (!markdata->second)
186 --- ./mark.h.orig 2005-12-16 19:51:07.000000000 +0100
187 +++ ./mark.h 2005-12-19 12:03:10.405928022 +0100
188 @@ -41,6 +41,7 @@
189 int isdir; /* current search direction */
190 int isstartpos; /* position where isearch was started */
191 int isstartdir; /* direction when isearch was started */
192 + int char_search[3];
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